Researchers at the U.S. National Institute of Standards and Technology have developed a new technique for three-dimensional printing of gels and other soft materials.
The researchers used beams of electrons or X-rays, which can be more tightly focused and produce gels with finer structural detail.
Because scanning electron microscopes and X-ray microscopes can operate only in a vacuum, the researchers addressed the issue of evaporation by placing an ultrathin barrier of silicon nitride between the vacuum and the liquid chamber.
This approach could be used to produce flexible electrodes, biosensors, and soft micro robots for medical and biological applications.
From U.S. National Institute of Standards and Technology
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